West Ham put in a tantalising display of traditional attacking football that made Liverpool look like an average side rather than a title chasing team.
The tactics were a joy to behold, the starting eleven all gave 100%, the atmosphere was electric, and everyone had nothing but positive things to say after the game.
A rare sight of happy hammers, and one that opened our eyes to a few things that we can learn about our beloved West Ham after that game.
So, here are the five things we have learned after the game.
Click on Allardyce to reveal